src/lharc.c

   1 /* ------------------------------------------------------------------------ */
   2 /* LHa for UNIX                                                                                                                         */
   3 /*                              lharc.c -- append to archive                                                            */
   4 /*                                                                                                                                                      */
   5 /*              Copyright (C) MCMLXXXIX Yooichi.Tagawa                                                          */
   6 /*              Modified                        Nobutaka Watazaki                                                       */
   7 /*                                                      Thanks to H.Yoshizaki. (MS-DOS LHarc)                   */
   8 /*                                                                                                                                                      */
   9 /*  Ver. 0.00  Original                                                 1988.05.23  Y.Tagawa            */
  10 /*  Ver. 0.01  Alpha Version (for 4.2BSD)               1989.05.28  Y.Tagawa            */
  11 /*  Ver. 0.02  Alpha Version Rel.2                              1989.05.29  Y.Tagawa            */
  12 /*  Ver. 0.03  Release #3  Beta Version                 1989.07.02  Y.Tagawa            */
  13 /*  Ver. 0.03a Debug                                                    1989.07.03  Y.Tagawa            */
  14 /*  Ver. 0.03b Modified                                                 1989.07.13  Y.Tagawa            */
  15 /*  Ver. 0.03c Debug (Thanks to void@rena.dit.junet)                                            */
  16 /*                                                                                              1989.08.09  Y.Tagawa            */
  17 /*  Ver. 0.03d Modified (quiet and verbose)             1989.09.14  Y.Tagawa            */
  18 /*  V1.00  Fixed                                                                1989.09.22  Y.Tagawa            */
  19 /*  V1.01  Bug Fixed                                                    1989.12.25  Y.Tagawa            */
  20 /*                                                                                                                                                      */
  21 /*  DOS-Version Original LHx V C2.01            (C) H.Yohizaki                                  */
  22 /*                                                                                                                                                      */
  23 /*  V2.00  UNIX Lharc + DOS LHx -> OSK LHx              1990.11.01  Momozou                     */
  24 /*  V2.01  Minor Modified                                               1990.11.24  Momozou                     */
  25 /*                                                                                                                                                      */
  26 /*  Ver. 0.02  LHx for UNIX                                             1991.11.18  M.Oki                       */
  27 /*  Ver. 0.03  LHa for UNIX                                             1991.12.17  M.Oki                       */
  28 /*  Ver. 0.04  LHa for UNIX     beta version            1992.01.20  M.Oki                       */
  29 /*  Ver. 1.00  LHa for UNIX     Fixed                           1992.03.19  M.Oki                       */
  30 /*                                                                                                                                                      */
  31 /*  Ver. 1.10  for Symblic Link                                 1993.06.25  N.Watazaki          */
  32 /*  Ver. 1.11  for Symblic Link Bug Fixed               1993.08.18  N.Watazaki          */
  33 /*  Ver. 1.12  for File Date Check                              1993.10.28  N.Watazaki          */
  34 /*  Ver. 1.13  Bug Fixed (Idicator calcurate)   1994.02.21  N.Watazaki          */
  35 /*  Ver. 1.13a Bug Fixed (Sym. Link delete)             1994.03.11  N.Watazaki          */
  36 /*      Ver. 1.13b Bug Fixed (Sym. Link delete)         1994.07.29  N.Watazaki          */
  37 /*      Ver. 1.14  Source All chagned                           1995.01.14      N.Watazaki              */
  38 /*      Ver. 1.14b,c  Bug Fixed                     1996.03.07  t.okamoto               */
  39 /*  Ver. 1.14d Version up                       1997.01.12  t.okamoto       */
  40 /*  Ver. 1.14g Bug Fixed                        2000.05.06  t.okamoto       */
  41 /*  Ver. 1.14i Modified                         2000.10.06  t.okamoto       */
  42 /* ------------------------------------------------------------------------ */
  43 #define LHA_MAIN_SRC
  44
  45 #include "lha.h"
  46
  47 /* ------------------------------------------------------------------------ */
  48 /*                                                              PROGRAM                                                                         */
  49 /* ------------------------------------------------------------------------ */
  50 static int      cmd = CMD_UNKNOWN;
  51
  52 /* 1996.8.13 t.okamoto */
  53 #if 0
  54 char          **cmd_filev;
  55 int             cmd_filec;
  56
  57 char           *archive_name;
  58 char            expanded_archive_name[FILENAME_LENGTH];
  59 char            temporary_name[FILENAME_LENGTH];
  60 char            backup_archive_name[FILENAME_LENGTH];
  61 #endif
  62
  63 /* static functions */
  64 static void     sort_files();
  65 static void             print_version();
  66
  67 char                *extract_directory = NULL;
  68 char              **xfilev;
  69 int             xfilec = 257;
  70
  71 /* 1996.8.13 t.okamoto */
  72 #if 0
  73 char           *writting_filename;
  74 char           *reading_filename;
  75
  76 int             archive_file_mode;
  77 int             archive_file_gid;
  78 #endif
  79 /* ------------------------------------------------------------------------ */
  80 static void
  81 init_variable()         /* Added N.Watazaki */
  82 {
  83 /* options */
  84         quiet                   = FALSE;
  85         text_mode               = FALSE;
  86         verbose                 = FALSE;
  87         noexec                  = FALSE;        /* debugging option */
  88         force                   = FALSE;
  89         prof                    = FALSE;
  90 #ifndef SUPPORT_LH7
  91         compress_method = LZHUFF5_METHOD_NUM;
  92 #endif
  93 #ifdef SUPPORT_LH7
  94         compress_method = LZHUFF7_METHOD_NUM;
  95 #endif
  96
  97         compress_method = DEFAULT_LZHUFF_METHOD;
  98
  99         header_level    = HEADER_LEVEL1;
 100         quiet_mode              = 0;
 101
 102 #ifdef EUC
 103         euc_mode                = FALSE;
 104 #endif
 105
 106 /* view command flags */
 107         verbose_listing = FALSE;
 108
 109 /* extract command flags */
 110         output_to_stdout = FALSE;
 111
 112 /* append command flags */
 113         new_archive                     = FALSE;
 114         update_if_newer         = FALSE;
 115         delete_after_append = FALSE;
 116         generic_format          = FALSE;
 117
 118         remove_temporary_at_error                               = FALSE;
 119         recover_archive_when_interrupt                  = FALSE;
 120         remove_extracting_file_when_interrupt   = FALSE;
 121         get_filename_from_stdin                                 = FALSE;
 122         ignore_directory                                                = FALSE;
 123         verify_mode                                                             = FALSE;
 124
 125         noconvertcase                                                   = FALSE;
 126
 127         extract_directory = NULL;
 128         xfilec = 257;
 129     temporary_fd = -1;
 130 }
 131
 132 /* ------------------------------------------------------------------------ */
 133 /* NOTES :                      Text File Format                                                                                */
 134 /* GENERATOR            NewLine                                                                                                 */
 135 /* [generic]            0D 0A                                                                                                   */
 136 /* [MS-DOS]                     0D 0A                                                                                                   */
 137 /* [OS9][MacOS]         0D                                                                                                              */
 138 /* [UNIX]                       0A                                                                                                              */
 139 /* ------------------------------------------------------------------------ */
 140 static void
 141 print_tiny_usage_and_exit()
 142 {
 143         fprintf(stderr, "\
 144 LHarc    for UNIX  V 1.02  Copyright(C) 1989  Y.Tagawa\n\
 145 LHx      for MSDOS V C2.01 Copyright(C) 1990  H.Yoshizaki\n\
 146 LHx(arc) for OSK   V 2.01  Modified     1990  Momozou\n\
 147 LHa      for UNIX  V 1.00  Copyright(C) 1992  Masaru Oki\n\
 148 LHa      for UNIX  V 1.14  Modified     1995  Nobutaka Watazaki\n\
 149 LHa      for UNIX  V 1.14i Modified     2000  Tsugio Okamoto\n\
 150                            Autoconfiscated 2001,2002 Koji Arai\n\
 151 ");
 152         fprintf(stderr, "\
 153 usage: lha [-]{axelvudmcp[q[num]][vnfodizg012]}[w=<dir>] archive_file [file...]\n\
 154 commands:                           options:\n\
 155  a   Add(or replace) to archive      q{num} quiet (num:quiet mode)\n\
 156  x,e EXtract from archive            v  verbose\n\
 157  l,v List / Verbose List             n  not execute\n\
 158  u   Update newer files to archive   f  force (over write at extract)\n\
 159  d   Delete from archive             t  FILES are TEXT file\n");
 160 #ifdef SUPPORT_LH7
 161         fprintf(stderr, "\
 162  m   Move to archive (means 'ad')    o[567] compression method (a/u)\n\
 163 ");
 164 #endif
 165 #ifndef SUPPORT_LH7
 166         fprintf(stderr, "\
 167  m   Move to archive (means 'ad')    o  use LHarc compatible method (a/u)\n\
 168 ");
 169 #endif
 170         fprintf(stderr, "\
 171  c   re-Construct new archive        w=<dir> specify extract directory (a/u/m/x/e)\n\
 172  p   Print to STDOUT from archive    d  delete FILES after (a/u/c)\n\
 173  t   Test file CRC in archive        i  ignore directory path (x/e)\n\
 174                                      z  files not compress (a/u)\n\
 175                                      g  Generic format (for compatibility)\n\
 176                                         or not convert case when extracting\n\
 177                                      0/1/2 header level (a/u)\n\
 178 ");
 179 #ifdef EUC
 180         fprintf(stderr, "\
 181                                      e  TEXT code convert from/to EUC\n\
 182 ");
 183 #endif
 184         exit(1);
 185 }
 186
 187 /* ------------------------------------------------------------------------ */
 188 int
 189 main(argc, argv)
 190         int             argc;
 191         char           *argv[];
 192 {
 193         char           *p, inpbuf[256];
 194
 195         int i;
 196         int  ac;
 197         char **av, *m;
 198
 199         init_variable();                /* Added N.Watazaki */
 200
 201         ac = argc;
 202         av = (char **)xmalloc( sizeof(char*)*argc );
 203         for (i=0; i<argc; i++) {
 204         av[i] = xstrdup( argv[i] );
 205         }
 206
 207         if (ac < 2)
 208                 print_tiny_usage_and_exit();
 209
 210         if (strcmp(av[1], "--version") == 0) {
 211                 print_version();
 212                 exit(1);
 213         }
 214
 215         if (ac < 3) {
 216                 cmd = CMD_LIST;
 217                 av--; /* argv--; */ /* 1999.7.18 */
 218                 ac++; /* argc++; */
 219                 goto work;
 220         }
 221
 222         m = av[1];
 223
 224         if (m[0] == '-')
 225                 m++;
 226         /* commands */
 227         switch (*m) {
 228         case 'x':
 229         case 'e':
 230                 cmd = CMD_EXTRACT;
 231                 break;
 232
 233         case 'p':
 234                 output_to_stdout = TRUE;
 235                 cmd = CMD_EXTRACT;
 236                 break;
 237
 238         case 'c':
 239                 new_archive = TRUE;
 240                 cmd = CMD_ADD;
 241                 break;
 242
 243         case 'a':
 244                 cmd = CMD_ADD;
 245                 break;
 246
 247         case 'd':
 248                 cmd = CMD_DELETE;
 249                 break;
 250
 251         case 'u':
 252                 update_if_newer = TRUE;
 253                 cmd = CMD_ADD;
 254                 break;
 255
 256         case 'm':
 257                 delete_after_append = TRUE;
 258                 cmd = CMD_ADD;
 259                 break;
 260
 261         case 'v':
 262                 verbose_listing = TRUE;
 263                 cmd = CMD_LIST;
 264                 break;
 265
 266         case 'l':
 267                 cmd = CMD_LIST;
 268                 break;
 269
 270         case 't':
 271                 cmd = CMD_EXTRACT;
 272                 verify_mode = TRUE;
 273                 break;
 274
 275         default:
 276                 print_tiny_usage_and_exit();
 277
 278         }
 279
 280         /* options */
 281         /* p = &argv[1][1]; */
 282         p = m+1;
 283         while ( *p != 0 ) {
 284                 switch ((*p++)) {
 285                 case 'q':
 286                         switch (*p) {
 287                         case '0':
 288                         case '1':
 289                                 quiet_mode = *p - '0';
 290                                 ++p;
 291                                 break;
 292                         case '2':
 293                         default:
 294                                 quiet = TRUE;
 295                                 break;
 296                         }
 297                 case 'f':
 298                         force = TRUE;
 299                         break;
 300                 case 'p':
 301                         prof = TRUE;
 302                         break;
 303                 case 'v':
 304                         verbose = TRUE;
 305                         break;
 306                 case 't':
 307                         text_mode = TRUE;
 308                         break;
 309 #ifdef EUC
 310                 case 'e':
 311                         text_mode = TRUE;
 312                         euc_mode = TRUE;
 313                         break;
 314 #endif
 315                 case 'n':
 316                         noexec = TRUE;
 317                         break;
 318                 case 'g':
 319                         generic_format = TRUE;
 320                         noconvertcase = TRUE;
 321                         header_level = 0;
 322                         break;
 323                 case 'd':
 324                         delete_after_append = TRUE;
 325                         break;
 326                 case 'o':
 327                         switch (*p) {
 328                         case 0:
 329                                 compress_method = LZHUFF1_METHOD_NUM;
 330                                 header_level = 0;
 331                                 break;
 332                         case '5':
 333                                 compress_method = LZHUFF5_METHOD_NUM;
 334                                 p++;
 335                                 break;
 336 #ifdef SUPPORT_LH7
 337                         case '6':
 338                                 compress_method = LZHUFF6_METHOD_NUM;
 339                                 p++;
 340                                 break;
 341                         case '7':
 342                                 compress_method = LZHUFF7_METHOD_NUM;
 343                                 p++;
 344                                 break;
 345 #endif
 346                         default:
 347                                 fprintf(stderr, "LHa: error option o%c\n", p[-1]);
 348                                 exit(1);
 349                         }
 350                         break;
 351                 case 'z':
 352                         compress_method = LZHUFF0_METHOD_NUM;   /* Changed N.Watazaki */
 353                         break;
 354                 case 'i':
 355                         ignore_directory = TRUE;
 356                         break;
 357                 case 'w':
 358                         if (*p == '=')
 359                                 p++;
 360                         extract_directory = p;
 361                         while (*p)
 362                                 p++;
 363                         break;
 364                 case '0':
 365                         header_level = HEADER_LEVEL0;
 366                         break;
 367                 case '1':
 368                         header_level = HEADER_LEVEL1;
 369                         break;
 370                 case '2':
 371                         header_level = HEADER_LEVEL2;
 372                         break;
 373                 default:
 374                         fprintf(stderr, "LHa: Unknown option '%c'.\n", p[-1]);
 375                         exit(1);
 376                 }
 377         }
 378
 379 work:
 380         /* archive file name */
 381         archive_name = av[2];
 382
 383         if (!strcmp(archive_name, "-")) {
 384                 if (!isatty(1) && cmd == CMD_ADD)
 385                         quiet = TRUE;
 386         }
 387 #if 0 /* Comment out; IMHO, this feature is useless. by Koji Arai */
 388         else {
 389                 if (ac == 3 && !isatty(0)) { /* 1999.7.18 */
 390             /* Bug(?) on MinGW, isatty() return 0 on Cygwin console.
 391                mingw-runtime-1.3-2 and Cygwin 1.3.10(0.51/3/2) on
 392                Win2000 */
 393             get_filename_from_stdin = TRUE;
 394                 }
 395         }
 396 #endif
 397
 398         /* target file name */
 399         if (get_filename_from_stdin) {
 400                 cmd_filec = 0;
 401                 xfilev = (char **)xmalloc(sizeof(char *) * xfilec);
 402                 while (fgets(inpbuf, sizeof(inpbuf), stdin)) {
 403                     /* delete \n if it exist */
 404                         i=0; p=inpbuf;
 405                         while (i < sizeof(inpbuf) && p != 0) {
 406                             if (*p == '\n') {
 407                                     *p = 0;
 408                                         break;
 409                                 }
 410                                 p++; i++;
 411                         }
 412
 413                         if (cmd_filec >= xfilec) {
 414                                 xfilec += 256;
 415                                 xfilev = (char **) xrealloc(xfilev,
 416                                                    sizeof(char *) * xfilec);
 417                         }
 418                         if (strlen(inpbuf) < 1)
 419                                 continue;
 420                         xfilev[cmd_filec++] = xstrdup(inpbuf);
 421                 }
 422                 xfilev[cmd_filec] = NULL;
 423                 cmd_filev = xfilev;
 424         } else {
 425                 cmd_filec = ac - 3;
 426                 cmd_filev = av + 3;
 427         }
 428         sort_files();
 429
 430         /* make crc table */
 431         make_crctable();
 432
 433         switch (cmd) {
 434         case CMD_EXTRACT:
 435                 cmd_extract();
 436                 break;
 437         case CMD_ADD:
 438                 cmd_add();
 439                 break;
 440         case CMD_LIST:
 441                 cmd_list();
 442                 break;
 443         case CMD_DELETE:
 444                 cmd_delete();
 445                 break;
 446         }
 447
 448 #ifdef USE_PROF
 449         if (!prof)
 450                 exit(0);
 451 #endif
 452
 453         return 0;
 454 }
 455
 456
 457 /* ------------------------------------------------------------------------ */
 458 /* */
 459 /* ------------------------------------------------------------------------ */
 460
 461 /* ------------------------------------------------------------------------ */
 462 static void
 463 print_version()
 464 {
 465         fprintf(stderr, "%s\n", LHA_VERSION);
 466 }
 467
 468 /* ------------------------------------------------------------------------ */
 469 static void
 470 message_1(title, subject, name)
 471         char           *title, *subject, *name;
 472 {
 473         fprintf(stderr, "LHa: %s%s ", title, subject);
 474         fflush(stderr);
 475
 476         if (errno == 0)
 477                 fprintf(stderr, "%s\n", name);
 478         else
 479                 perror(name);
 480 }
 481
 482 /* ------------------------------------------------------------------------ */
 483 void
 484 message(subject, name)
 485         char           *subject, *name;
 486 {
 487         message_1("", subject, name);
 488 }
 489
 490 /* ------------------------------------------------------------------------ */
 491 void
 492 warning(subject, name)
 493         char           *subject, *name;
 494 {
 495         message_1("Warning: ", subject, name);
 496 }
 497
 498 /* ------------------------------------------------------------------------ */
 499 void
 500 error(subject, msg)
 501         char           *subject, *msg;
 502 {
 503         message_1("Error: ", subject, msg);
 504 }
 505
 506 /* ------------------------------------------------------------------------ */
 507 void
 508 fatal_error(msg)
 509         char           *msg;
 510 {
 511     message_1("Fatal error:", "", msg);
 512
 513     if (remove_temporary_at_error) {
 514         if (temporary_fd != -1)
 515             close(temporary_fd);
 516         unlink(temporary_name);
 517     }
 518
 519     exit(1);
 520 }
 521
 522 /* ------------------------------------------------------------------------ */
 523 void
 524 write_error()
 525 {
 526         fatal_error(writting_filename);
 527 }
 528
 529 /* ------------------------------------------------------------------------ */
 530 void
 531 read_error()
 532 {
 533         fatal_error(reading_filename);
 534 }
 535
 536 /* ------------------------------------------------------------------------ */
 537 void
 538 interrupt(signo)
 539         int             signo;
 540 {
 541         errno = 0;
 542         message("Interrupted\n", "");
 543
 544         if (temporary_fd != -1)
 545                 close(temporary_fd);
 546         unlink(temporary_name);
 547         if (recover_archive_when_interrupt)
 548                 rename(backup_archive_name, archive_name);
 549         if (remove_extracting_file_when_interrupt) {
 550                 errno = 0;
 551                 message("Removing", writting_filename);
 552                 unlink(writting_filename);
 553         }
 554         signal(SIGINT, SIG_DFL);
 555 #ifdef SIGHUP
 556         signal(SIGHUP, SIG_DFL);
 557 #endif
 558         kill(getpid(), signo);
 559 }
 560
 561 /* ------------------------------------------------------------------------ */
 562 /*                                                                                                                                                      */
 563 /* ------------------------------------------------------------------------ */
 564 static int
 565 sort_by_ascii(a, b)
 566         char          **a, **b;
 567 {
 568         register char  *p, *q;
 569         register int    c1, c2;
 570
 571         p = *a, q = *b;
 572         if (generic_format) {
 573                 do {
 574                         c1 = *(unsigned char *) p++;
 575                         c2 = *(unsigned char *) q++;
 576                         if (!c1 || !c2)
 577                                 break;
 578                         if (islower(c1))
 579                                 c1 = toupper(c1);
 580                         if (islower(c2))
 581                                 c2 = toupper(c2);
 582                 }
 583                 while (c1 == c2);
 584                 return c1 - c2;
 585         }
 586         else {
 587                 while (*p == *q && *p != '\0')
 588                         p++, q++;
 589                 return *(unsigned char *) p - *(unsigned char *) q;
 590         }
 591 }
 592
 593 /* ------------------------------------------------------------------------ */
 594 static void
 595 sort_files()
 596 {
 597         if (cmd_filec > 1)
 598                 qsort(cmd_filev, cmd_filec, sizeof(char *), sort_by_ascii);
 599 }
 600
 601 /* ------------------------------------------------------------------------ */
 602 char           *
 603 xmalloc(size)
 604         int             size;
 605 {
 606         char           *p = (char *) malloc(size);
 607         if (!p)
 608                 fatal_error("Not enough memory");
 609         return p;
 610 }
 611
 612 /* ------------------------------------------------------------------------ */
 613 char           *
 614 xrealloc(old, size)
 615         char           *old;
 616         int             size;
 617 {
 618         char           *p = (char *) realloc(old, size);
 619         if (!p)
 620                 fatal_error("Not enough memory");
 621         return p;
 622 }
 623
 624 char *
 625 xstrdup(str)
 626         char *str;
 627 {
 628     int len = strlen(str);
 629         char *p = (char *)xmalloc(len + 1);
 630         if (!p)
 631                 fatal_error("Not enough memory");
 632     strcpy(p, str);
 633         return p;
 634 }
 635
 636 /* ------------------------------------------------------------------------ */
 637 /*                                                              STRING POOL                                                                     */
 638 /* ------------------------------------------------------------------------ */
 639 /*
 640   string pool :
 641         +-------------+-------------+------+-------------+----------+
 642         | N A M E 1 \0| N A M E 2 \0| .... | N A M E n \0|                      |
 643         +-------------+-------------+------+-------------+----------+
 644           ^ ^            ^ buffer+0 buffer+used buffer+size
 645
 646   vector :
 647         +---------------+---------------+------------- -----------------+
 648         | pointer to    | pointer to    | pointer to   ...  pointer to  |
 649         |  stringpool   |  N A M E 1    |  N A M E 2   ...   N A M E n  |
 650         +---------------+---------------+-------------     -------------+
 651         ^ malloc base      returned
 652 */
 653
 654 /* ------------------------------------------------------------------------ */
 655 void
 656 init_sp(sp)
 657         struct string_pool *sp;
 658 {
 659         sp->size = 1024 - 8;    /* any ( >=0 ) */
 660         sp->used = 0;
 661         sp->n = 0;
 662         sp->buffer = (char *) xmalloc(sp->size * sizeof(char));
 663 }
 664
 665 /* ------------------------------------------------------------------------ */
 666 void
 667 add_sp(sp, name, len)
 668         struct string_pool *sp;
 669         char           *name;   /* stored '\0' at tail */
 670         int             len;    /* include '\0' */
 671 {
 672         while (sp->used + len > sp->size) {
 673                 sp->size *= 2;
 674                 sp->buffer = (char *) xrealloc(sp->buffer, sp->size * sizeof(char));
 675         }
 676         bcopy(name, sp->buffer + sp->used, len);
 677         sp->used += len;
 678         sp->n++;
 679 }
 680
 681 /* ------------------------------------------------------------------------ */
 682 void
 683 finish_sp(sp, v_count, v_vector)
 684         register struct string_pool *sp;
 685         int            *v_count;
 686         char         ***v_vector;
 687 {
 688         int             i;
 689         register char  *p;
 690         char          **v;
 691
 692         v = (char **) xmalloc((sp->n + 1) * sizeof(char *));
 693         *v++ = sp->buffer;
 694         *v_vector = v;
 695         *v_count = sp->n;
 696         p = sp->buffer;
 697         for (i = sp->n; i; i--) {
 698                 *v++ = p;
 699                 if (i - 1)
 700                         p += strlen(p) + 1;
 701         }
 702 }
 703
 704 /* ------------------------------------------------------------------------ */
 705 void
 706 free_sp(vector)
 707         char          **vector;
 708 {
 709         vector--;
 710         free(*vector);          /* free string pool */
 711         free(vector);
 712 }
 713
 714
 715 /* ------------------------------------------------------------------------ */
 716 /*                                                      READ DIRECTORY FILES                                                    */
 717 /* ------------------------------------------------------------------------ */
 718 static          boolean
 719 include_path_p(path, name)
 720         char           *path, *name;
 721 {
 722         char           *n = name;
 723         while (*path)
 724                 if (*path++ != *n++)
 725                         return (path[-1] == '/' && *n == '\0');
 726         return (*n == '/' || (n != name && path[-1] == '/' && n[-1] == '/'));
 727 }
 728
 729 /* ------------------------------------------------------------------------ */
 730 void
 731 cleaning_files(v_filec, v_filev)
 732         int            *v_filec;
 733         char         ***v_filev;
 734 {
 735         char           *flags;
 736         struct stat     stbuf;
 737
 738         register char **filev = *v_filev;
 739         register int    filec = *v_filec;
 740         register char  *p;
 741         register int    i, j;
 742
 743         if (filec == 0)
 744                 return;
 745
 746         flags = xmalloc(filec * sizeof(char));
 747
 748         /* flags & 0x01 :       1: ignore */
 749         /* flags & 0x02 :       1: directory, 0 : regular file */
 750         /* flags & 0x04 :       1: need delete */
 751
 752
 753         for (i = 0; i < filec; i++)
 754                 if (GETSTAT(filev[i], &stbuf) < 0) {
 755                         flags[i] = 0x04;
 756                         fprintf(stderr,
 757                          "LHa: Cannot access \"%s\", ignored.\n", filev[i]);
 758                 }
 759                 else {
 760                         if (is_regularfile(&stbuf))
 761                                 flags[i] = 0x00;
 762                         else if (is_directory(&stbuf))
 763                                 flags[i] = 0x02;
 764 #ifdef S_IFLNK
 765                         else if (is_symlink(&stbuf)) /* t.okamoto */
 766                                 flags[i] = 0x00;
 767 #endif
 768                         else {
 769                                 flags[i] = 0x04;
 770                                 fprintf(stderr,
 771                                         "LHa: Cannot archive \"%s\", ignored.\n", filev[i]);
 772                         }
 773                 }
 774         errno = 0;
 775
 776         for (i = 0; i < filec; i++) {
 777                 p = filev[i];
 778                 if ((flags[i] & 0x07) == 0x00) {        /* regular file, not
 779                                                          * deleted/ignored */
 780                         for (j = i + 1; j < filec; j++) {
 781                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 782                                                                          * deleted/ignored */
 783                                         if (STREQU(p, filev[j]))
 784                                                 flags[j] = 0x04;        /* delete */
 785                                 }
 786                         }
 787                 }
 788                 else if ((flags[i] & 0x07) == 0x02) {   /* directory, not
 789                                                          * deleted/ignored */
 790                         for (j = i + 1; j < filec; j++) {
 791                                 if ((flags[j] & 0x07) == 0x00) {        /* regular file, not
 792                                                                          * deleted/ignored */
 793                                         if (include_path_p(p, filev[j]))
 794                                                 flags[j] = 0x04;        /* delete */
 795                                 }
 796                                 else if ((flags[j] & 0x07) == 0x02) {   /* directory, not
 797                                                                          * deleted/ignored */
 798                                         if (include_path_p(p, filev[j]))
 799                                                 flags[j] = 0x04;        /* delete */
 800                                 }
 801                         }
 802                 }
 803         }
 804
 805         for (i = j = 0; i < filec; i++) {
 806                 if ((flags[i] & 0x04) == 0) {
 807                         if (i != j)
 808                                 filev[j] = filev[i];
 809                         j++;
 810                 }
 811         }
 812         *v_filec = j;
 813
 814         free(flags);
 815 }
 816
 817 /* ------------------------------------------------------------------------ */
 818 #ifdef NODIRECTORY
 819 /* please need your imprementation */
 820 boolean
 821 find_files(name, v_filec, v_filev)
 822         char           *name;
 823         int            *v_filec;
 824         char         ***v_filev;
 825 {
 826         return FALSE;           /* DUMMY */
 827 }
 828
 829 /* ------------------------------------------------------------------------ */
 830 void
 831 free_files(filec, filev)
 832         int             filec;
 833         char          **filev;
 834 {
 835         /* do nothing */
 836 }
 837 /* ------------------------------------------------------------------------ */
 838 #else
 839 boolean
 840 find_files(name, v_filec, v_filev)
 841         char           *name;
 842         int            *v_filec;
 843         char         ***v_filev;
 844 {
 845         struct string_pool sp;
 846         char            newname[FILENAME_LENGTH];
 847         int             len, n;
 848         DIR            *dirp;
 849         DIRENTRY       *dp;
 850         struct stat     tmp_stbuf, arc_stbuf, fil_stbuf;
 851
 852         strcpy(newname, name);
 853         len = strlen(name);
 854         if (len > 0 && newname[len - 1] != '/')
 855                 newname[len++] = '/';
 856
 857         dirp = opendir(name);
 858         if (!dirp)
 859                 return FALSE;
 860
 861         init_sp(&sp);
 862
 863         GETSTAT(temporary_name, &tmp_stbuf);
 864         GETSTAT(archive_name, &arc_stbuf);
 865
 866         for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
 867                 n = NAMLEN(dp);
 868                 strncpy(newname + len, dp->d_name, n);
 869                 newname[len + n] = '\0';
 870                 if (GETSTAT(newname, &fil_stbuf) < 0)
 871                         continue;
 872 #if !defined(HAVE_ST_INO) || __MINGW32__
 873                 if ( dp->d_name[0] != '.' ||
 874                         (n != 1 &&
 875                          (dp->d_name[1] != '.' ||
 876                           n != 2))  ) {
 877                         add_sp(&sp, newname, len+n+1);
 878                 }
 879 #else
 880                 if ((dp->d_ino != 0) &&
 881                 /* exclude '.' and '..' */
 882                     ((dp->d_name[0] != '.') ||
 883                      ((n != 1) &&
 884                       ((dp->d_name[1] != '.') ||
 885                        (n != 2)))) &&
 886                     ((tmp_stbuf.st_dev != fil_stbuf.st_dev ||
 887                       tmp_stbuf.st_ino != fil_stbuf.st_ino) &&
 888                      (arc_stbuf.st_dev != fil_stbuf.st_dev ||
 889                       arc_stbuf.st_ino != fil_stbuf.st_ino))) {
 890                         add_sp(&sp, newname, len + n + 1);
 891                 }
 892 #endif
 893         }
 894         closedir(dirp);
 895         finish_sp(&sp, v_filec, v_filev);
 896         if (*v_filec > 1)
 897                 qsort(*v_filev, *v_filec, sizeof(char *), sort_by_ascii);
 898         cleaning_files(v_filec, v_filev);
 899
 900         return TRUE;
 901 }
 902
 903 /* ------------------------------------------------------------------------ */
 904 void
 905 free_files(filec, filev)
 906         int             filec;
 907         char          **filev;
 908 {
 909         free_sp(filev);
 910 }
 911 #endif
 912 /* ------------------------------------------------------------------------ */
 913 /*                                                                                                                                                      */
 914 /* ------------------------------------------------------------------------ */
 915 /* Build temporary file name and store to TEMPORARY_NAME */
 916 int
 917 build_temporary_name()
 918 {
 919 #ifdef TMP_FILENAME_TEMPLATE
 920         /* "/tmp/lhXXXXXX" etc. */
 921         if (extract_directory == NULL) {
 922                 strcpy(temporary_name, TMP_FILENAME_TEMPLATE);
 923         }
 924         else {
 925                 sprintf(temporary_name, "%s/lhXXXXXX", extract_directory);
 926         }
 927 #else
 928         char           *p, *s;
 929
 930         strcpy(temporary_name, archive_name);
 931         for (p = temporary_name, s = (char *) 0; *p; p++)
 932                 if (*p == '/')
 933                         s = p;
 934         strcpy((s ? s + 1 : temporary_name), "lhXXXXXX");
 935 #endif
 936 #ifdef HAVE_MKSTEMP
 937     {
 938         int old_umask, fd;
 939
 940         old_umask = umask(077);
 941         fd = mkstemp(temporary_name);
 942         umask(old_umask);
 943         return fd;
 944     }
 945 #else
 946     {
 947         int flags;
 948
 949         mktemp(temporary_name);
 950         flags = O_CREAT|O_EXCL|O_RDWR;
 951 #ifdef O_BINARY
 952         flags |= O_BINARY;
 953 #endif
 954         return open(temporary_name, flags, 0600);
 955     }
 956 #endif
 957 }
 958
 959 /* ------------------------------------------------------------------------ */
 960 static void
 961 modify_filename_extention(buffer, ext)
 962         char           *buffer;
 963         char           *ext;
 964 {
 965         register char  *p, *dot;
 966
 967         for (p = buffer, dot = (char *) 0; *p; p++) {
 968                 if (*p == '.')
 969                         dot = p;
 970                 else if (*p == '/')
 971                         dot = (char *) 0;
 972         }
 973
 974         if (dot)
 975                 p = dot;
 976
 977         strcpy(p, ext);
 978 }
 979
 980 /* ------------------------------------------------------------------------ */
 981 /* build backup file name */
 982 void
 983 build_backup_name(buffer, original)
 984         char           *buffer;
 985         char           *original;
 986 {
 987         strcpy(buffer, original);
 988         modify_filename_extention(buffer, BACKUPNAME_EXTENTION);        /* ".bak" */
 989 }
 990
 991 /* ------------------------------------------------------------------------ */
 992 void
 993 build_standard_archive_name(buffer, orginal)
 994         char           *buffer;
 995         char           *orginal;
 996 {
 997         strcpy(buffer, orginal);
 998         modify_filename_extention(buffer, ARCHIVENAME_EXTENTION);       /* ".lzh" */
 999 }
1000
1001 /* ------------------------------------------------------------------------ */
1002 /*                                                                                                                                                      */
1003 /* ------------------------------------------------------------------------ */
1004 boolean
1005 need_file(name)
1006         char           *name;
1007 {
1008         int             i;
1009
1010         if (cmd_filec == 0)
1011                 return TRUE;
1012
1013         for (i = 0; i < cmd_filec; i++) {
1014                 if (patmatch(cmd_filev[i], name, 0))
1015                         return TRUE;
1016         }
1017
1018         return FALSE;
1019 }
1020
1021 FILE           *
1022 xfopen(name, mode)
1023         char           *name, *mode;
1024 {
1025         FILE           *fp;
1026
1027         if ((fp = fopen(name, mode)) == NULL)
1028                 fatal_error(name);
1029
1030         return fp;
1031 }
1032
1033 /* ------------------------------------------------------------------------ */
1034 /*                                                                                                                                                      */
1035 /* ------------------------------------------------------------------------ */
1036 static          boolean
1037 open_old_archive_1(name, v_fp)
1038         char           *name;
1039         FILE          **v_fp;
1040 {
1041         FILE           *fp;
1042         struct stat     stbuf;
1043
1044         if (stat(name, &stbuf) >= 0 &&
1045             is_regularfile(&stbuf) &&
1046             (fp = fopen(name, READ_BINARY)) != NULL) {
1047                 *v_fp = fp;
1048                 archive_file_gid = stbuf.st_gid;
1049                 archive_file_mode = stbuf.st_mode;
1050                 return TRUE;
1051         }
1052
1053         *v_fp = NULL;
1054         archive_file_gid = -1;
1055         return FALSE;
1056 }
1057
1058 /* ------------------------------------------------------------------------ */
1059 FILE           *
1060 open_old_archive()
1061 {
1062         FILE           *fp;
1063         char           *p;
1064
1065         if (!strcmp(archive_name, "-")) {
1066                 if (cmd == CMD_EXTRACT || cmd == CMD_LIST) {
1067 #if __MINGW32__
1068             setmode(fileno(stdin), O_BINARY);
1069 #endif
1070                         return stdin;
1071         }
1072                 else
1073                         return NULL;
1074         }
1075         if (p = (char *) strrchr(archive_name, '.')) {
1076                 if (strucmp(".LZH", p) == 0
1077                     || strucmp(".LZS", p) == 0
1078                     || strucmp(".COM", p) == 0  /* DOS SFX */
1079                     || strucmp(".EXE", p) == 0
1080                     || strucmp(".X", p) == 0    /* HUMAN SFX */
1081                     || strucmp(".BAK", p) == 0) {       /* for BackUp */
1082                         open_old_archive_1(archive_name, &fp);
1083                         return fp;
1084                 }
1085         }
1086
1087         if (open_old_archive_1(archive_name, &fp))
1088                 return fp;
1089         sprintf(expanded_archive_name, "%s.lzh", archive_name);
1090         if (open_old_archive_1(expanded_archive_name, &fp)) {
1091                 archive_name = expanded_archive_name;
1092                 return fp;
1093         }
1094         /*
1095          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1096          * expanded_archive_name; return NULL; }
1097          */
1098         sprintf(expanded_archive_name, "%s.lzs", archive_name);
1099         if (open_old_archive_1(expanded_archive_name, &fp)) {
1100                 archive_name = expanded_archive_name;
1101                 return fp;
1102         }
1103         /*
1104          * if ( (errno&0xffff)!=E_PNNF ) { archive_name =
1105          * expanded_archive_name; return NULL; }
1106          */
1107         /*
1108          * sprintf( expanded_archive_name , "%s.lzh",archive_name);
1109          * archive_name = expanded_archive_name;
1110          */
1111         return NULL;
1112 }
1113
1114 /* ------------------------------------------------------------------------ */
1115 int
1116 inquire(msg, name, selective)
1117         char           *msg, *name, *selective;
1118 {
1119         char            buffer[1024];
1120         char           *p;
1121
1122         for (;;) {
1123                 fprintf(stderr, "%s %s ", name, msg);
1124                 fflush(stderr);
1125
1126                 fgets(buffer, 1024, stdin);
1127
1128                 for (p = selective; *p; p++)
1129                         if (buffer[0] == *p)
1130                                 return p - selective;
1131         }
1132         /* NOTREACHED */
1133 }
1134
1135 /* ------------------------------------------------------------------------ */
1136 void
1137 write_archive_tail(nafp)
1138         FILE           *nafp;
1139 {
1140         putc(0x00, nafp);
1141 }
1142
1143 /* ------------------------------------------------------------------------ */
1144 void
1145 copy_old_one(oafp, nafp, hdr)
1146         FILE           *oafp, *nafp;
1147         LzHeader       *hdr;
1148 {
1149         if (noexec) {
1150                 fseek(oafp, (long) (hdr->header_size + 2) + hdr->packed_size, SEEK_CUR);
1151         }
1152         else {
1153                 reading_filename = archive_name;
1154                 writting_filename = temporary_name;
1155                 if (hdr->header_level != 2) {
1156                         copyfile(oafp, nafp,
1157                                          (long) (hdr->header_size + 2) + hdr->packed_size, 0);
1158                 } else {
1159                         copyfile(oafp, nafp,
1160                                          (long) (hdr->header_size) + hdr->packed_size, 0);
1161                 }
1162         }
1163 }
1164
1165 /* Local Variables: */
1166 /* mode:c */
1167 /* tab-width:4 */
1168 /* compile-command:"gcc -c lharc.c" */
1169 /* End: */
1170 /* vi: set tabstop=4: */